METHOD AND CONTROLLER FOR CONTROLLING AN IPM MOTOR
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United States of America Patent
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Issued Date -
Sep 23, 2010
app pub date -
Feb 18, 2010
filing date -
Feb 20, 2009
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method for sensorless control of a permanent magnet motor exhibiting saliency, the method comprising the steps of determining a back electromotive force signal of a non-conducting phase winding of the permanent magnet motor, and applying a first drive voltage to at least one other phase winding of the permanent magnet motor, said first drive voltage being phase-shifted relative to the determined back electromotive force signal. Moreover, the present invention relates to a control system for carrying out the above-mentioned method.
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